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    Ascending aortic dissection as sudden or late complication of cardiac surgery

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    From January 1987 to December 1991 at Cardiac Surgery Center of Parma were performed 2019 operations under cardiopulmonary bypass (CPB). Ascending aortic dissection occurred as intraoperative complication in 7 (0.34%) patients (group A), and postoperatively in 3 (group B). In this series there were two deaths: one patient of Group A died intraoperatively, the second (group B) suddenly at five days after operation and the diagnosis was possible only on autopsy. The most cases had aortic valvular disease (7/10), with concomitant wall disease predisposing to dissection by surgical manipulations. Surgical techniques depend on the extent of the dissection; furthermore we prefer to repair the lesion under CPB. We believe that successful surgical treatment of the intraoperative dissection is dependent on early recognition
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